![Kei Yuuki](https://img.flawlessfiles.com/_r/400x400/100/02/c1/02c120b077f85ab168ff1c1edc916740/02c120b077f85ab168ff1c1edc916740.jpg)
Kei Yuuki
結城 蛍
Kei is a male childhood friend of Sawaki and, like him, a freshman. His parents run a sake brewery (making them customers for the mold starter from Sawaki's parents).
It is revealed after a brief disappearance by Kei from the main plot, that Kei is gender dysphoric, and has stronger feelings for Sawaki than initially let on.
It is revealed after a brief disappearance by Kei from the main plot, that Kei is gender dysphoric, and has stronger feelings for Sawaki than initially let on.
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Moyashimon
Main (Role) TV -
Moyashimon Returns
Supporting (Role) TV
![Saiga, Mitsuki](https://img.flawlessfiles.com/_r/100x100/100/b8/80/b880f4e08f5e190fe1f72129f940185a/b880f4e08f5e190fe1f72129f940185a.jpg)
Saiga, Mitsuki
Japanese![Lee, Ju Chang](https://img.flawlessfiles.com/_r/100x100/100/a4/94/a4947ff0c9a38929cf1658ec593e32c9/a4947ff0c9a38929cf1658ec593e32c9.jpg)